Beschreibung

Changes the transparency value of any pixel that matches
target and is an immediate neighbor. If the method
FillToBorderMethod is specified, the transparency value
is changed for any neighbor pixel that does not match
the bordercolor member of image.

Parameter-Liste

alpha

The level of transparency: 1.0 is fully opaque and 0.0 is fully
transparent.

fuzz

The fuzz member of image defines how much tolerance is acceptable to
consider two colors as the same.